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S4M
on July 30, 2014
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A computer algebra system written in Python
How does it compare to Maxima?
http://maxima.sourceforge.net/
tjl
on July 31, 2014
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As a standalone CAS, Maxima is more fully featured than SymPy. But, it's harder to use with other packages. With SymPy, you can do your work with the CAS and then use the results with NumPy, SciPy, or Theano.
quotemstr
on July 31, 2014
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GNU Calc (M-x calc in Emacs) is also a fairly capable CAS, and I love its RPN interface.
S4M
on July 31, 2014
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Thanks for that! I didn't know it had some algebra integrated. However, it wouldn't simplify (x+1)/(-x-1) (it does simplify -x/x though).
quotemstr
on July 31, 2014
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Try the "a n" command.
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